英语习语：

look for a needle in a haystack 大海捞针

——We are supposed to meet John here at the train station. (我们要在火车站接John。)
——That's like looking for a needle in a haystack . （那可真是大海捞针。）

双语例句：
Finding a hotel in the holiday season here is like looking for a needle in a haystack.
度假旺季要在这里找到旅馆，实在是件很难的事。

There is no use searching for him in this crowd;it is like looking for a needle in a haystack.
在这样的人群中找寻他是徒劳的，这简直是大海捞针。

Trying to find a pen that works in this house is like trying to find a needle in a haystack.
要想在这间房子里找到一支可用的钢笔，这如同大海捞针。

We gave up trying to find my father at the football game.With thousands of people in the stadium,it was like looking for a needle in a haystack.
足球比赛时，我们打消了找爸爸的念头。因为体育场内人山人海，要找一个人那简直像大海捞针一样难。